Xterior Gutter Stain Remover - 1 Gallon

Developed to remove black streaks on gutters caused by dirt, grime, and rain Shine the outside of your gutters Clean by spraying and rinsing off, or use light agitation for tougher stains. Dilute half and half, or one part concentrate to three parts water depending on desired strength Environmentally safe and 100% biodegradable